/* ====================================================================
   ZHACK Academy — sistema de diseño
   Tipografía: Space Grotesk (display) · IBM Plex Sans (texto) · JetBrains Mono (acento)
   ==================================================================== */
:root{
  --font-display:'Space Grotesk',-apple-system,BlinkMacSystemFont,sans-serif;
  --font-body:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','SF Mono',ui-monospace,monospace;

  /* superficies y texto (claro) */
  --bg:#f5f7f8; --surface:#ffffff; --surface-2:#f0f3f5; --surface-3:#e7ebee;
  --text:#1d2733; --text-soft:#414b57; --muted:#707a86; --border:#e0e0e0;
  --accent:#2eb398; --accent-2:#249a82; --accent-soft:rgba(46,179,152,.12);
  --red:#dc3545; --red-dark:#bb2d3b; --red-soft:rgba(220,53,69,.10);
  --header-bg:rgba(255,255,255,.85); --footer-bg:#12121f; --footer-text:#b6bdc8;
  --danger:#dc3545;
  --shadow-sm:0 1px 2px rgba(13,24,40,.06),0 1px 3px rgba(13,24,40,.04);
  --shadow:0 4px 12px rgba(13,24,40,.06),0 12px 28px rgba(13,24,40,.07);
  --shadow-lg:0 10px 24px rgba(13,24,40,.10),0 28px 60px rgba(13,24,40,.10);
  --r-xs:7px; --r-sm:10px; --r:14px; --r-lg:20px; --r-pill:999px;
  --maxw:1160px;
}
[data-theme="dark"]{
  --bg:#0d111a; --surface:#151a25; --surface-2:#1c2330; --surface-3:#252d3c;
  --text:#e8ecf2; --text-soft:#c2cad6; --muted:#8a95a6; --border:#26303f;
  --accent:#33c5a8; --accent-2:#5fd9c1; --accent-soft:rgba(46,179,152,.16);
  --red:#f0556a; --red-dark:#dc3545; --red-soft:rgba(240,85,106,.14);
  --header-bg:rgba(13,17,26,.80); --footer-bg:#080a12; --footer-text:#9aa6b6;
  --danger:#f0556a;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 6px 16px rgba(0,0,0,.4),0 16px 40px rgba(0,0,0,.45);
  --shadow-lg:0 16px 50px rgba(0,0,0,.55);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);background:var(--bg);color:var(--text);
  line-height:1.6;font-size:16px;font-weight:400;
  display:flex;flex-direction:column;min-height:100vh;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  transition:background .3s ease,color .3s ease;
}
a{color:inherit;text-decoration:none}
main{flex:1}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.12;letter-spacing:-.02em;color:var(--text)}
.mono{font-family:var(--font-mono)}
.kicker{font-family:var(--font-mono);font-size:.78rem;font-weight:500;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent)}

/* iconos */
.icon{display:inline-block;vertical-align:-.18em;flex:0 0 auto}
.stars{display:inline-flex;gap:2px;color:#f5a623;vertical-align:middle}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--header-bg);
  backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;font-size:1.12rem;letter-spacing:-.02em}
.brand img{height:36px;width:36px;border-radius:9px}
.brand .accent{color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{padding:9px 13px;border-radius:var(--r-sm);font-weight:500;font-size:.93rem;color:var(--text-soft);transition:color .15s,background .15s}
.nav-links a:hover{color:var(--text);background:var(--surface-2)}
.nav-links a.cta{background:var(--accent);color:#fff;font-weight:600}
.nav-links a.cta:hover{background:var(--accent-2);color:#fff}
.theme-toggle{display:inline-grid;place-items:center;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-sm);width:42px;height:42px;cursor:pointer;color:var(--text-soft);transition:.15s}
.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}
.theme-toggle .icon-sun{display:none}
[data-theme="dark"] .theme-toggle .icon-moon{display:none}
[data-theme="dark"] .theme-toggle .icon-sun{display:inline-block}
.burger{display:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);
  width:42px;height:42px;cursor:pointer;color:var(--text-soft);place-items:center}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-sm);font-family:var(--font-body);font-weight:600;
  font-size:.97rem;cursor:pointer;border:1px solid transparent;transition:transform .15s,background .15s,box-shadow .15s;line-height:1}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-red{background:var(--red);color:#fff;box-shadow:var(--shadow-sm)}
.btn-red:hover{background:var(--red-dark);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-block{display:flex;width:100%}
.btn-lg{padding:16px 32px;font-size:1.04rem}
.btn-sm{padding:7px 14px;font-size:.85rem}

/* ---------- Hero (banda oscura tipo ERDH) ---------- */
.hero{position:relative;text-align:center;padding:120px 0 104px;overflow:hidden;
  background:
    radial-gradient(900px 460px at 50% -22%,rgba(46,179,152,.30),transparent 62%),
    linear-gradient(180deg,#0e1622 0%,#0a0f18 100%);
  color:#fff;border-bottom:3px solid var(--accent)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:38px 38px;
  -webkit-mask-image:radial-gradient(circle at 50% 35%,#000,transparent 78%);
          mask-image:radial-gradient(circle at 50% 35%,#000,transparent 78%)}
.hero > .container{position:relative;z-index:1}
.hero .kicker{display:inline-block;margin-bottom:22px;color:var(--accent-2)}
.hero h1{font-size:clamp(2.2rem,5.2vw,3.6rem);font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:-.01em}
.hero h2{font-size:clamp(1.3rem,3vw,2.1rem);color:var(--accent);font-weight:600;margin-top:8px;text-transform:uppercase}
.hero p{color:#c4ccd6;font-size:1.16rem;margin:26px auto 34px;max-width:580px}
.hero .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.hero .btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(255,255,255,.04)}

/* ---------- Secciones ---------- */
.section{padding:72px 0}
.section.alt{background:var(--surface)}
.section-head{text-align:center;margin-bottom:48px;max-width:680px;margin-inline:auto}
.section-head .kicker{margin-bottom:12px;display:inline-block}
.section-head h2{font-size:clamp(1.7rem,3.5vw,2.4rem)}
.section-head h2 .accent{color:var(--accent)}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.05rem}

/* ---------- Catálogo: buscador + filtros ---------- */
.catalog-bar{display:flex;gap:10px;max-width:680px;margin:0 auto 20px;flex-wrap:wrap}
.catalog-bar .field-icon{position:relative;flex:1;min-width:220px;display:flex;align-items:center}
.catalog-bar .field-icon .icon{position:absolute;left:14px;color:var(--muted);pointer-events:none}
.catalog-bar .field-icon input{padding-left:42px}
.catalog-bar select{width:auto;min-width:190px}
.cat-chips{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--border);font-family:var(--font-mono);font-weight:500;font-size:.82rem;
  color:var(--text-soft);background:var(--surface);transition:.15s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.active{background:var(--text);color:var(--bg);border-color:var(--text)}
[data-theme="dark"] .chip.active{background:var(--accent);color:#04120f;border-color:var(--accent)}

/* ---------- Grid de cursos ---------- */
.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px}
.course-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s;
  display:flex;flex-direction:column}
.course-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.course-card .thumb{aspect-ratio:16/9;position:relative;
  background:linear-gradient(135deg,#0e1626,var(--accent))}
.course-card .thumb img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:#fff;font-family:var(--font-mono);font-size:.68rem;font-weight:600;
  padding:6px 11px;border-radius:var(--r-pill);letter-spacing:.06em;text-transform:uppercase}
.card-cat{position:absolute;bottom:12px;left:12px;background:rgba(8,12,20,.62);color:#fff;
  font-family:var(--font-mono);font-size:.7rem;font-weight:500;padding:5px 11px;border-radius:var(--r-pill);
  backdrop-filter:blur(4px)}
.course-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.course-card h3{font-size:1.18rem}
.course-card .body p{color:var(--muted);font-size:.92rem;line-height:1.55;flex:1}
.course-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px}
.course-meta .hours{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.85rem}
.price-btn{display:inline-flex;align-items:center;gap:7px;background:var(--red);color:#fff;
  font-family:var(--font-mono);font-weight:600;font-size:.9rem;padding:9px 16px;border-radius:var(--r-sm);
  box-shadow:var(--shadow-sm);transition:background .15s,transform .15s}
.course-card:hover .price-btn{background:var(--red-dark);transform:translateY(-1px)}
.price-btn.free{background:var(--accent)}
.course-card:hover .price-btn.free{background:var(--accent-2)}
.card-progress{height:6px;background:var(--surface-3);border-radius:var(--r-pill);overflow:hidden;margin-top:4px}
.card-progress i{display:block;height:100%;background:var(--accent);border-radius:var(--r-pill);transition:width .4s}

.featured-card{display:grid;grid-template-columns:1fr .9fr;margin-bottom:38px;align-items:stretch;
  background:linear-gradient(135deg,#10192a,#0c1320);border:1px solid #1c2638}
.featured-card .thumb{aspect-ratio:auto;min-height:300px;order:2}
.featured-card .body{padding:40px;justify-content:center;order:1}
.featured-card .kicker{color:var(--accent)}
.featured-card h3{font-size:1.85rem;color:#fff}
.featured-card .body p{color:#aeb7c4}
.featured-card .course-meta .hours{color:#8b95a3}
@media(max-width:780px){.featured-card{grid-template-columns:1fr}.featured-card .thumb{min-height:200px;order:0}.featured-card .body{order:1}}

/* ---------- Curso detalle ---------- */
.course-hero{padding:64px 0 32px}
.course-hero-grid{display:grid;grid-template-columns:1.45fr .9fr;gap:48px;align-items:start}
.course-hero h1{font-size:clamp(1.9rem,4vw,2.7rem);margin:12px 0 16px}
.course-hero .lead{color:var(--text-soft);font-size:1.15rem;max-width:680px}
.course-stats{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}
.course-stats .stat{display:inline-flex;align-items:center;gap:9px;padding:10px 16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);font-weight:500;font-size:.92rem}
.course-stats .stat .icon{color:var(--accent)}
.sales-copy{max-width:760px;margin:0 auto;font-size:1.06rem;color:var(--text-soft)}
.sales-copy p{margin:18px 0}
.sales-copy h2,.sales-copy h3{color:var(--text);margin:28px 0 12px}

.curriculum{max-width:820px;margin:0 auto}
.sec-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);margin-bottom:14px;overflow:hidden}
.sec-block .sec-title{padding:16px 22px;font-family:var(--font-display);font-weight:600;font-size:1.02rem;
  background:var(--surface-2);display:flex;justify-content:space-between;align-items:center;gap:10px}
.sec-block .sec-title .count{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);font-weight:400}
.sec-block ul{list-style:none}
.sec-block li{padding:13px 22px;border-top:1px solid var(--border);display:flex;align-items:center;gap:11px;color:var(--text-soft);font-size:.95rem}
.sec-block li .icon{color:var(--muted);flex:0 0 auto}
.sec-block li .free{margin-left:auto;font-family:var(--font-mono);color:var(--accent);font-size:.7rem;font-weight:600;
  border:1px solid var(--accent);padding:3px 9px;border-radius:var(--r-pill);text-transform:uppercase;letter-spacing:.05em}

/* caja de compra */
.buy-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow);position:sticky;top:92px}
.buy-box .big-price{font-family:var(--font-mono);font-size:2.5rem;font-weight:700;color:var(--text);letter-spacing:-.02em}
.buy-box ul{list-style:none;margin:20px 0}
.buy-box li{display:flex;align-items:center;gap:10px;padding:8px 0;color:var(--text-soft);font-size:.95rem}
.buy-box li .icon{color:var(--accent);flex:0 0 auto}

/* ---------- Formularios / auth ---------- */
.auth-wrap{max-width:440px;margin:64px auto;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:40px;box-shadow:var(--shadow)}
.auth-wrap h1{font-size:1.6rem;margin-bottom:6px;text-align:center}
.auth-wrap .sub{color:var(--muted);text-align:center;margin-bottom:28px;font-size:.96rem}
.form-group{margin-bottom:17px}
label{display:block;font-weight:500;margin-bottom:7px;font-size:.88rem;color:var(--text-soft)}
input,textarea,select{width:100%;padding:12px 15px;border:1px solid var(--border);border-radius:var(--r-sm);
  background:var(--bg);color:var(--text);font-size:.97rem;font-family:inherit;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;color:var(--muted)}
.checkbox-row input{width:auto;margin-top:3px}
.auth-links{text-align:center;margin-top:20px;color:var(--muted);font-size:.92rem;line-height:1.9}
.auth-links a{color:var(--accent);font-weight:600}

/* ---------- Flash ---------- */
.flashes{max-width:var(--maxw);margin:18px auto 0;padding:0 24px}
.flash{display:flex;align-items:center;gap:10px;padding:13px 18px;border-radius:var(--r-sm);margin-bottom:10px;font-weight:500;font-size:.94rem;border:1px solid}
.flash.success{background:var(--accent-soft);color:var(--accent-2);border-color:var(--accent)}
.flash.error{background:rgba(220,47,58,.10);color:var(--danger);border-color:var(--danger)}
.flash.warning{background:rgba(245,166,35,.12);color:#b87a09;border-color:#f5a623}
[data-theme="dark"] .flash.success{color:var(--accent-2)}

/* ---------- Newsletter ---------- */
.nl-form{display:flex;gap:10px;max-width:500px;margin:0 auto;flex-wrap:wrap}
.nl-form input{flex:1;min-width:220px}
.nl-note{text-align:center;color:var(--muted);font-size:.83rem;margin-top:14px}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:48px 0;margin-top:72px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-inner img{height:40px}
.footer-brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;color:#fff}
.footer-center{text-align:center;flex:1;min-width:240px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;font-size:.85rem;margin-top:8px}
.footer-links a{color:var(--footer-text);transition:color .15s}
.footer-links a:hover{color:var(--accent)}
.footer-copy{font-size:.85rem;font-family:var(--font-mono)}
.footer-tag{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-family:var(--font-mono);font-weight:500}

/* ---------- Cookie banner ---------- */
.cookie-bar{position:fixed;bottom:16px;left:16px;right:16px;max-width:var(--maxw);margin:0 auto;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:18px 22px;z-index:100;box-shadow:var(--shadow-lg)}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cookie-inner p{font-size:.88rem;color:var(--muted);flex:1;min-width:280px}
.cookie-btns{display:flex;gap:10px;flex-wrap:wrap}
.cookie-btns button{padding:10px 18px;border-radius:var(--r-sm);font-weight:600;font-size:.88rem;cursor:pointer;
  border:1px solid var(--border);background:transparent;color:var(--text);font-family:inherit}
.cookie-btns .accept{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ---------- Player ---------- */
.player-layout{display:grid;grid-template-columns:1fr 350px;gap:28px;padding:34px 0}
.player-main video,.player-main iframe{width:100%;aspect-ratio:16/9;border-radius:var(--r);background:#000;border:none;box-shadow:var(--shadow)}
.player-main h1{font-size:1.5rem;margin:22px 0 6px}
.player-empty{aspect-ratio:16/9;background:var(--surface);border:1px dashed var(--border);border-radius:var(--r);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--muted)}
.lesson-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;max-height:78vh;overflow-y:auto}
.lesson-list .sec h4{padding:14px 18px;background:var(--surface-2);font-family:var(--font-display);font-size:.92rem;font-weight:600}
.lesson-list a{display:flex;gap:11px;align-items:center;padding:13px 18px;border-top:1px solid var(--border);font-size:.9rem;color:var(--text-soft)}
.lesson-list a .icon{color:var(--muted);flex:0 0 auto}
.lesson-list a:hover{background:var(--surface-2)}
.lesson-list a.active{background:var(--accent-soft);color:var(--text);font-weight:600}
.lesson-list a.active .icon{color:var(--accent)}
.lesson-list a.done .icon{color:var(--accent)}
.progress-wrap{margin-bottom:16px}
.progress-bar{height:8px;background:var(--surface-3);border-radius:var(--r-pill);overflow:hidden;margin:8px 0}
.progress-bar i{display:block;height:100%;background:var(--accent);border-radius:var(--r-pill);transition:width .4s}
.progress-meta{display:flex;justify-content:space-between;font-size:.82rem;color:var(--muted);font-family:var(--font-mono)}
@media(max-width:880px){.player-layout{grid-template-columns:1fr}}

/* ---------- Dashboard admin ---------- */
.dash{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 70px)}
.dash-side{background:var(--surface);border-right:1px solid var(--border);padding:24px 16px}
.dash-side a{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:var(--r-sm);color:var(--text-soft);font-weight:500;font-size:.93rem;margin-bottom:3px}
.dash-side a .icon{color:var(--muted)}
.dash-side a:hover{background:var(--surface-2)}
.dash-side a.active{background:var(--accent-soft);color:var(--accent)}
.dash-side a.active .icon{color:var(--accent)}
.dash-side-label{font-family:var(--font-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;
  color:var(--muted);margin:16px 14px 6px;font-weight:500}
.dash-side-label:first-child{margin-top:4px}

/* gráfica de barras (dashboard) */
.chart{display:flex;align-items:flex-end;gap:10px;height:220px;padding:18px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r);margin-bottom:30px}
.chart .bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px;height:100%}
.chart .bar .col{width:100%;max-width:46px;background:linear-gradient(180deg,var(--accent),var(--accent-2));
  border-radius:6px 6px 0 0;min-height:3px;transition:height .4s;position:relative}
.chart .bar:hover .col{filter:brightness(1.1)}
.chart .bar .val{font-family:var(--font-mono);font-size:.66rem;color:var(--muted);white-space:nowrap}
.chart .bar .lbl{font-family:var(--font-mono);font-size:.72rem;color:var(--muted)}
.card-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:22px;margin-bottom:30px}
.card-panel h2{font-size:1.15rem;margin-bottom:16px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:980px){.two-col{grid-template-columns:1fr}}
.copy-field{display:flex;gap:8px;align-items:center}
.copy-field code{flex:1;font-family:var(--font-mono);background:var(--surface-2);padding:8px 12px;border-radius:var(--r-sm);font-size:.85rem;overflow-x:auto}

/* embudo de conversión */
.funnel{display:flex;align-items:stretch;gap:6px;flex-wrap:wrap}
.funnel-step{flex:1;min-width:130px;background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--r-sm);padding:18px 16px;text-align:center;display:flex;flex-direction:column;gap:4px}
.funnel-step.accent{background:var(--accent-soft);border-color:var(--accent)}
.funnel-step .fn{font-family:var(--font-mono);font-size:1.7rem;font-weight:700;color:var(--text)}
.funnel-step.accent .fn{color:var(--accent-2)}
.funnel-step .fl{font-size:.82rem;color:var(--muted)}
.funnel-arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);min-width:54px}
.funnel-arrow small{font-family:var(--font-mono);font-size:.72rem;color:var(--accent-2);font-weight:600}
@media(max-width:720px){.funnel{flex-direction:column}.funnel-arrow{flex-direction:row;gap:8px;transform:rotate(90deg);min-width:auto}}
.dash-main{padding:34px;min-width:0}
.dash-main h1{font-size:1.7rem;margin-bottom:24px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px;margin-bottom:34px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:22px;position:relative}
.stat-card .icon{color:var(--accent);margin-bottom:10px}
.stat-card .num{font-family:var(--font-mono);font-size:1.9rem;font-weight:700;color:var(--text);letter-spacing:-.02em}
.stat-card .lbl{color:var(--muted);font-size:.85rem;margin-top:2px}
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:.9rem}
th{background:var(--surface-2);font-family:var(--font-display);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-soft)}
tr:last-child td{border-bottom:none}
.tag-pill{display:inline-flex;align-items:center;font-family:var(--font-mono);padding:3px 10px;border-radius:var(--r-pill);font-size:.72rem;font-weight:500}
.tag-pill.paid{background:var(--accent-soft);color:var(--accent-2)}
.tag-pill.pending{background:rgba(245,166,35,.16);color:#b87a09}
.tag-pill.free{background:var(--surface-3);color:var(--muted)}
.inline-form{display:inline}
.mini-btn{display:inline-grid;place-items:center;background:transparent;border:1px solid var(--border);border-radius:var(--r-xs);
  padding:6px;cursor:pointer;color:var(--text-soft);list-style:none;transition:.15s;line-height:0}
.mini-btn:hover{border-color:var(--accent);color:var(--accent)}
.mini-btn.danger:hover{border-color:var(--danger);color:var(--danger)}
.inline-details summary{display:inline-block}
.inline-details summary::-webkit-details-marker{display:none}
@media(max-width:880px){
  .dash{grid-template-columns:1fr}
  .dash-side{display:flex;gap:6px;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border);padding:12px}
  .dash-side a{white-space:nowrap}
}

/* ---------- Gracias / onboarding ---------- */
.thanks-check{display:inline-grid;place-items:center;width:84px;height:84px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);margin-bottom:16px}
.onboard{display:flex;flex-direction:column;gap:14px}
.onboard-step{display:flex;gap:16px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r);padding:20px 22px}
.onboard-step .num{flex:0 0 auto;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:var(--accent);color:#fff;font-family:var(--font-mono);font-weight:600}
.onboard-step h3{font-size:1.05rem;margin-bottom:3px}
.onboard-step p{color:var(--muted);font-size:.92rem}

/* ---------- Apuntes (player) ---------- */
.notes-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);margin-top:26px;overflow:hidden}
.notes-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.notes-head h3{font-size:1.05rem;display:flex;align-items:center;gap:8px}
.notes-tabs{display:flex;gap:4px}
.notes-tabs button{background:transparent;border:1px solid var(--border);color:var(--text-soft);
  padding:6px 13px;border-radius:var(--r-sm);font-size:.82rem;font-weight:600;cursor:pointer;font-family:inherit}
.notes-tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.notes-status{font-family:var(--font-mono);font-size:.74rem;color:var(--muted)}
.notes-body{padding:0}
.notes-body textarea{width:100%;min-height:240px;border:none;border-radius:0;background:var(--surface);
  padding:18px;font-family:var(--font-mono);font-size:.9rem;line-height:1.6;resize:vertical}
.notes-body textarea:focus{box-shadow:none}
.notes-preview{padding:18px;min-height:240px;font-size:.95rem;line-height:1.7}
.notes-preview:empty::before{content:"Nada que previsualizar todavía.";color:var(--muted)}
.notes-preview h1,.notes-preview h2,.notes-preview h3{font-family:var(--font-display);margin:14px 0 8px}
.notes-preview h1{font-size:1.4rem}.notes-preview h2{font-size:1.2rem}.notes-preview h3{font-size:1.05rem}
.notes-preview p{margin:8px 0}
.notes-preview ul,.notes-preview ol{margin:8px 0 8px 22px}
.notes-preview code{font-family:var(--font-mono);background:var(--surface-2);padding:2px 6px;border-radius:5px;font-size:.86em}
.notes-preview pre{background:var(--surface-2);padding:14px;border-radius:var(--r-sm);overflow-x:auto;margin:10px 0}
.notes-preview pre code{background:none;padding:0}
.notes-preview a{color:var(--accent);font-weight:600}
.notes-preview blockquote{border-left:3px solid var(--accent);padding-left:14px;color:var(--muted);margin:10px 0}
.notes-foot{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;border-top:1px solid var(--border);flex-wrap:wrap;gap:10px}
.notes-hint{color:var(--muted);font-size:.78rem;font-family:var(--font-mono)}
.is-hidden{display:none}

/* ---------- 404/500 ---------- */
.error-page{text-align:center;padding:90px 0}
.error-page .code{font-family:var(--font-mono);font-size:5rem;font-weight:700;color:var(--accent)}

/* ---------- Responsive nav ---------- */
@media(max-width:860px){
  .burger{display:grid}
  .nav-links{position:absolute;top:70px;left:0;right:0;background:var(--surface);flex-direction:column;
    align-items:stretch;padding:14px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:12px 14px}
  .course-hero-grid{grid-template-columns:1fr;gap:28px}
  .buy-box{position:static}
}

/* ====================== Auth profesional (login/registro) ====================== */
.auth-page{min-height:calc(100vh - 72px);display:grid;grid-template-columns:1.05fr 1fr}
.auth-aside{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;
  padding:64px 56px;color:#fff;
  background:
    radial-gradient(900px 460px at 28% -12%,rgba(46,179,152,.30),transparent 62%),
    linear-gradient(180deg,#0e1622 0%,#0a0f18 100%);
  border-right:3px solid var(--accent)}
.auth-aside::before{content:"";position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:38px 38px;
  -webkit-mask-image:radial-gradient(circle at 30% 30%,#000,transparent 80%);
          mask-image:radial-gradient(circle at 30% 30%,#000,transparent 80%)}
.auth-aside>*{position:relative;z-index:1}
.auth-brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;font-size:1.3rem;margin-bottom:40px}
.logo-badge{width:40px;height:40px;border-radius:10px;background:var(--accent);display:grid;place-items:center;
  color:#06231d;font-weight:700;font-family:var(--font-display);flex:0 0 40px}
.auth-aside h2{font-family:var(--font-display);font-size:clamp(1.7rem,2.6vw,2.2rem);line-height:1.12;
  text-transform:uppercase;letter-spacing:-.01em;margin-bottom:16px}
.auth-aside h2 span{color:var(--accent)}
.auth-aside .lead{color:#c4ccd6;font-size:1.05rem;line-height:1.6;max-width:430px;margin-bottom:36px}
.auth-feats{list-style:none;display:flex;flex-direction:column;gap:16px;padding:0;margin:0}
.auth-feats li{display:flex;align-items:center;gap:13px;color:#dfe5ec;font-size:.98rem}
.auth-feats .fi{flex:0 0 38px;width:38px;height:38px;border-radius:10px;background:rgba(46,179,152,.14);
  border:1px solid rgba(46,179,152,.30);display:grid;place-items:center;color:var(--accent)}
.auth-aside .term{margin-top:40px;font-family:var(--font-mono);font-size:.82rem;color:#7f8b9b;
  border-top:1px solid rgba(255,255,255,.08);padding-top:18px}
.auth-aside .term b{color:var(--accent)}

.auth-form-side{display:flex;align-items:center;justify-content:center;padding:48px 28px;background:var(--bg)}
.auth-box{width:100%;max-width:404px}
.auth-box .m-brand{display:none;align-items:center;gap:10px;justify-content:center;margin-bottom:24px;
  font-family:var(--font-display);font-weight:700;font-size:1.2rem}
.auth-box h1{font-family:var(--font-display);font-size:1.7rem;margin-bottom:6px}
.auth-box .sub{color:var(--muted);margin-bottom:28px;font-size:.95rem;line-height:1.5}

.input-icon{position:relative}
.input-icon .ic{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);
  display:flex;pointer-events:none}
.input-icon input{padding-left:42px}
.input-icon input[type=password],.input-icon input.has-toggle{padding-right:44px}
.pw-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;
  color:var(--muted);cursor:pointer;padding:7px;display:flex;border-radius:7px;transition:color .15s,background .15s}
.pw-toggle:hover{color:var(--accent);background:var(--surface-2)}

.auth-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:2px 0 20px;font-size:.88rem;flex-wrap:wrap}
.auth-row label{display:flex;align-items:center;gap:8px;margin:0;color:var(--muted);cursor:pointer;font-weight:500}
.auth-row label input{width:auto;margin:0}
.auth-row a{color:var(--accent);font-weight:600}
.caps-warn{display:none;color:#b87a09;font-size:.82rem;margin:-12px 0 14px;align-items:center;gap:6px;font-weight:500}
.caps-warn.on{display:flex}
[data-theme="dark"] .caps-warn{color:#f5c451}

@media(max-width:860px){
  .auth-page{grid-template-columns:1fr;min-height:auto}
  .auth-aside{display:none}
  .auth-form-side{padding:40px 20px}
  .auth-box .m-brand{display:flex}
}

/* ---- Medidor de fuerza de contraseña + coincidencia ---- */
.pw-meter{margin:-8px 0 16px;display:none}
.pw-meter.on{display:block}
.pw-bars{display:flex;gap:5px;margin-bottom:5px}
.pw-bars span{height:5px;flex:1;border-radius:3px;background:var(--surface-3);transition:background .25s}
.pw-meter[data-score="1"] .pw-bars span:nth-child(-n+1){background:var(--red)}
.pw-meter[data-score="2"] .pw-bars span:nth-child(-n+2){background:#f5a623}
.pw-meter[data-score="3"] .pw-bars span:nth-child(-n+3){background:#e9c20b}
.pw-meter[data-score="4"] .pw-bars span{background:var(--accent)}
.pw-label{font-size:.8rem;color:var(--muted);font-weight:500}
.pw-match{display:none;align-items:center;gap:6px;font-size:.8rem;font-weight:500;margin:-10px 0 16px}
.pw-match.show{display:flex}
.pw-match.ok{color:var(--accent-2)}
.pw-match.no{color:var(--danger)}

/* ---- Reseñas por curso + certificado ---- */
.cc-wrap{display:flex;flex-direction:column;gap:9px}
.cert-dl{font-size:.9rem}
.reviews-list{display:flex;flex-direction:column;gap:14px}
.review-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);padding:18px 20px}
.review-card .rv-head{display:flex;align-items:center;gap:10px;justify-content:space-between;flex-wrap:wrap}
.review-card .rv-head .stars{color:#f5c518}
.review-card p{margin:9px 0 7px;color:var(--text-soft);line-height:1.55}
.review-card .rv-date{font-size:.76rem;color:var(--muted);font-family:var(--font-mono)}
#resenas .stars{color:#f5c518}
.review-form-box{margin-top:30px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:24px}
.review-form-box h3{margin-bottom:12px;font-family:var(--font-display)}
.review-form textarea{min-height:92px;margin:12px 0}
.star-rate{display:inline-flex;flex-direction:row-reverse;font-size:1.95rem;line-height:1}
.star-rate input{display:none}
.star-rate label{color:var(--surface-3);cursor:pointer;padding:0 2px;transition:color .12s}
.star-rate label:hover,.star-rate label:hover ~ label,.star-rate input:checked ~ label{color:#f5c518}